STUDY 3: RELIABILITY AND VALIDITY
EXAM WITH QUESTIONS AND 100%
CORRECT ANSWERS | VERIFIED BY
EXPERT | LATELY UPDATED 2025/2026.
What is reliability in research?
ANSWER ✔✔ Reliability is used to refer to something that is dependable and will be
around about the same or give the same outcome every time.
What is repeatability in research?
ANSWER ✔✔ Refers to the degree to which a specific research investigation obtains
similar results when it is conducted again under the same conditions on all occasions.
What conditions should be the same to ensure repeatability?
ANSWER ✔✔
• The observer, e.g. the same researcher
• The instructions
• The measurement instrument, e.g. data collection tool
• The measurement procedure, e.g. research method, type of experimental design, number
of experimental and control groups
• The setting, e.g. laboratory or field
• The location
• Repetition over a short period of time
What is reproducibility in research?
ANSWER ✔✔ Refers to how close the results are to each other when an investigation is
replicated under changed conditions.
EXAM WITH QUESTIONS AND 100%
CORRECT ANSWERS | VERIFIED BY
EXPERT | LATELY UPDATED 2025/2026.
What is reliability in research?
ANSWER ✔✔ Reliability is used to refer to something that is dependable and will be
around about the same or give the same outcome every time.
What is repeatability in research?
ANSWER ✔✔ Refers to the degree to which a specific research investigation obtains
similar results when it is conducted again under the same conditions on all occasions.
What conditions should be the same to ensure repeatability?
ANSWER ✔✔
• The observer, e.g. the same researcher
• The instructions
• The measurement instrument, e.g. data collection tool
• The measurement procedure, e.g. research method, type of experimental design, number
of experimental and control groups
• The setting, e.g. laboratory or field
• The location
• Repetition over a short period of time
What is reproducibility in research?
ANSWER ✔✔ Refers to how close the results are to each other when an investigation is
replicated under changed conditions.
